Keiretsu rhymes with:
etsu, settsu, umetsu, agematsu, daihatsu, dentsu, etsu, fujitsu, norimatsu, settsu, toshimitsu, umetsu
Keiretsu sounds like:
kaisertech, kaisertech's, karadzic, karadzic's, karatsu, karatz, kardos, kariotis, kartes, karydakis, kerridge, kertesz, kertz, keywords, kirts, korotich, kortz, kraatz, kratky, kratz, kratzke, krawitz, kreitz, kretsch, kretz, kreutz, kritz, krotz, krowitz, krutick, krutz, kurdish, kurds, kurtis, kurtz